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Annotation of OpenXM_contrib/gmp/tests/mpz/io.c, Revision 1.1.1.1

1.1       ohara       1: /* Test conversion and I/O using mpz_out_str and mpz_inp_str.
                      2:
                      3: Copyright 1993, 1994, 1996, 2000, 2001 Free Software Foundation, Inc.
                      4:
                      5: This file is part of the GNU MP Library.
                      6:
                      7: The GNU MP Library is free software; you can redistribute it and/or modify
                      8: it under the terms of the GNU Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 of the License, or (at your
                     10: option) any later version.
                     11:
                     12: The GNU MP Library is distributed in the hope that it will be useful, but
                     13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
                     15: License for more details.
                     16:
                     17: You should have received a copy of the GNU Lesser General Public License
                     18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: MA 02111-1307, USA. */
                     21:
                     22: #include "config.h"
                     23:
                     24: #include <stdio.h>
                     25: #include <stdlib.h>
                     26: #if HAVE_UNISTD_H
                     27: #include <unistd.h>            /* for unlink */
                     28: #endif
                     29:
                     30: #include "gmp.h"
                     31: #include "gmp-impl.h"
                     32: #include "tests.h"
                     33:
                     34: #define FILENAME  "io.tmp"
                     35:
                     36: void
                     37: debug_mp (mpz_t x, int base)
                     38: {
                     39:   mpz_out_str (stdout, base, x); fputc ('\n', stdout);
                     40: }
                     41:
                     42: int
                     43: main (int argc, char **argv)
                     44: {
                     45:   mpz_t  op1, op2;
                     46:   mp_size_t size;
                     47:   int i;
                     48:   int reps = 10000;
                     49:   FILE *fp;
                     50:   int base;
                     51:   gmp_randstate_ptr rands;
                     52:   mpz_t bs;
                     53:   unsigned long bsi, size_range;
                     54:   size_t nread;
                     55:
                     56:   tests_start ();
                     57:   rands = RANDS;
                     58:
                     59:   mpz_init (bs);
                     60:
                     61:   if (argc == 2)
                     62:     reps = atoi (argv[1]);
                     63:
                     64:   mpz_init (op1);
                     65:   mpz_init (op2);
                     66:
                     67:   fp = fopen (FILENAME, "w+");
                     68:
                     69:   for (i = 0; i < reps; i++)
                     70:     {
                     71:       mpz_urandomb (bs, rands, 32);
                     72:       size_range = mpz_get_ui (bs) % 10 + 2;
                     73:
                     74:       mpz_urandomb (bs, rands, size_range);
                     75:       size = mpz_get_ui (bs);
                     76:       mpz_rrandomb (op1, rands, size);
                     77:       mpz_urandomb (bs, rands, 1);
                     78:       bsi = mpz_get_ui (bs);
                     79:       if ((bsi & 1) != 0)
                     80:        mpz_neg (op1, op1);
                     81:
                     82:       mpz_urandomb (bs, rands, 16);
                     83:       bsi = mpz_get_ui (bs);
                     84:       base = bsi % 36 + 1;
                     85:       if (base == 1)
                     86:        base = 0;
                     87:
                     88:       rewind (fp);
                     89:       if (mpz_out_str (fp, base, op1) == 0
                     90:           || putc (' ', fp) == EOF
                     91:           || fflush (fp) != 0)
                     92:         {
                     93:           printf ("mpz_out_str write error\n");
                     94:           abort ();
                     95:         }
                     96:
                     97:       rewind (fp);
                     98:       nread = mpz_inp_str (op2, fp, base);
                     99:       if (nread == 0)
                    100:         {
                    101:           if (ferror (fp))
                    102:             printf ("mpz_inp_str stream read error\n");
                    103:           else
                    104:             printf ("mpz_inp_str data conversion error\n");
                    105:          abort ();
                    106:        }
                    107:
                    108:       if (nread != ftell(fp))
                    109:         {
                    110:           printf ("mpz_inp_str nread doesn't match ftell\n");
                    111:           printf ("  nread  %u\n", nread);
                    112:           printf ("  ftell  %ld\n", ftell(fp));
                    113:           abort ();
                    114:         }
                    115:
                    116:       if (mpz_cmp (op1, op2))
                    117:        {
                    118:          printf ("ERROR\n");
                    119:          printf ("op1  = "); debug_mp (op1, -16);
                    120:          printf ("op2  = "); debug_mp (op2, -16);
                    121:          printf ("base = %d\n", base);
                    122:          abort ();
                    123:        }
                    124:     }
                    125:
                    126:   fclose (fp);
                    127:
                    128:   unlink (FILENAME);
                    129:
                    130:   mpz_clear (bs);
                    131:   mpz_clear (op1);
                    132:   mpz_clear (op2);
                    133:
                    134:   tests_end ();
                    135:   exit (0);
                    136: }